3-(4-Fluorophenyl)-5-(1H-pyrazol-3-yl)-2,1-benzoxazole CAS 321571-03-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 321571-03-3 |
| Molecular Formula | C16H10FN3O |
| Molecular Weight | 279.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 3-(4-Fluorophenyl)-5-(1H-pyrazol-3-yl)-2,1-benzoxazole (CAS 321571-03-3), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C16H10FN3O. Molecular weight: 279.27 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C16H10FN3O |
| Molecular Weight | 279.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 3 |
Related Fluorophenyl Standards
- 7-(4-Fluorophenyl)-2-(1H-pyrrol-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 338953-46-1)
- Ethyl 2-(4-(3-fluorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate (CAS 860786-32-9)
- Ethyl 2-(4-(4-fluorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl)acetate (CAS 860651-06-5)
- Ethyl 2-[4-(2-fluorophenyl)-3-methyl-5-oxo-4,5-dihydro-1H-1,2,4-triazol-1-yl]acetate (CAS 860784-87-8)
- Methyl 3-(1-(4-fluorophenyl)-5-oxopyrrolidin-3-yl)-3-oxopropanoate (CAS 1083402-30-5)
- 1-[3-(4-fluorophenyl)prop-2-enoyl]-4-hydroxypyrrolidine-2-carboxylic acid (CAS 1105494-18-5)
- 1-(6-(2-Fluorophenyl)-3a,4,8,8a-tetrahydro-[1,3]dioxepino[5,6-d]isoxazol-3-yl)ethan-1-one (CAS 321391-96-2)
- 1-(4-Fluorophenyl)-2-(trifluoromethyl)-1H-indole (CAS 1233881-86-1)
Recommended Standards
- 2-Cyano-N-[4-(3,4-difluorophenyl)-1,3-thiazol-2-yl]acetamide (CAS 851169-21-6)
- 4-(((Diethoxyphosphoryl)methyl)imino)butyl acetate (CAS 60671-39-8)
- 2-Amino-3-(4-fluorobenzoyl)indolizine-1-carbonitrile (CAS 353262-86-9)
- (4-(Tert-butyl)-5-methylthiophen-2-yl)(phenyl)methanol (CAS 944517-03-7)
- 2-Propynyl-2-3-4-6-tetra-O-acetyl-β-D-glucopyranoside (CAS 34272-02-1)
- 2-Methyl-4-(trifluoromethyl)benzo[d]thiazole (CAS 1261598-43-9)
- (E)-2-((2-ethoxypyrimidin-5-yl)methyl)-3-methoxyacrylic acid (CAS 1314534-02-5)
- 4,5-Dibromo-1H-indole (CAS 1227571-79-0)
- 2-Chloro-N-(2-chloropyridin-3-yl)-4-fluorobenzamide (CAS 648427-36-5)
- Acetyl decapeptide-3 (CAS 935288-50-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com